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Pest Risk Assessments (PRAs) provide a simple evidence-based evaluation of risk posed by one or more pests to crops and can support farmers and farm advisors in developing integrated pest management strategies. By providing a structured approach to estimating the likelihood of pests infesting crops, and the hazard they present to crop production, these assessments enable targeted preventative and mitigating actions with a clear link to impact. In this chapter we break down the processes and tools available to undertake a pest risk assessment, the potential influence of the perception of risk on decision making and provide a worked example for a priority pest in wheat.
- 1 Introduction
- 2 Assessing the likelihood of pest infestations
- 3 Assessing the hazard of pest infestations
- 4 Reducing risk
- 5 Risk versus the perception of risk
- 6 Summary steps to pest risk assessment
- 7 Worked example: risk assessment of barley yellow dwarf virus in winter wheat
- 8 Conclusion
- 9 Future trends in research
- 10 Where to look for further information
- 11 Acknowledgements
- 12 References